City size comparison

compared to

Amsterdam is about 5 times bigger than San Mateo.

San Mateo is approximately 31 sq km, while Amsterdam is approximately 166 sq km, making Amsterdam 427% larger than San Mateo.
Tip: This to-scale comparison of San Mateo vs. Amsterdam uses the Mercator projection, which distorts the size of regions near the poles.
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Compare further: Amsterdam vs. San Mateo

Flip Comparison · See true size
See Amsterdam on top of San Mateo
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Cost of Living Comparison · 7 categories - 2026 data
San Mateo is 5.3% more expensive than Amsterdam
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